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Microsoft may earn an Affiliate Commission if you purchase something through recommended links in this article.

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Arecibo Observatory’s Greatest Triumphs

Visual demonstration of the message, with color added to distinguish the various sections.

Visual demonstration of the message, with color added to distinguish the various sections.
Illustration: Wikimedia

A cool thing about the Arecibo Observatory is that, in addition to receiving radio signals, it can also transmit them. This capability was put to the test in 1974 when the facility beamed a transmission, known as the Arecibo message, to globular star cluster M13. This region of space is approximately 25,000 light-years away, so we’ll have to be patient about receiving a response.

Written in binary, the message was short, depicting things like DNA, the human form, and even a digital representation of the Arecibo Observatory itself. In case you’re wondering, here’s what the transmission looks like:

00000010101010000000000001010000010100000001001000100010001001011001010101010101010100100100000000000000000000000000000000000001100000000000000000001101000000000000000000011010000000000000000001010100000000000000000011111000000000000000000000000000000001100001110001100001100010000000000000110010000110100011000110000110101111101111101111101111100000000000000000000000000100000000000000000100000000000000000000000000001000000000000000001111110000000000000111110000000000000000000000011000011000011100011000100000001000000000100001101000011000111001101011111011111011111011111000000000000000000000000001000000110000000001000000000001100000000000000010000011000000000011111100000110000001111100000000001100000000000001000000001000000001000001000000110000000100000001100001100000010000000000110001000011000000000000000110011000000000000011000100001100000000011000011000000100000001000000100000000100000100000001100000000100010000000011000000001000100000000010000000100000100000001000000010000000100000000000011000000000110000000011000000000100011101011000000000001000000010000000000000010000011111000000000000100001011101001011011000000100111001001111111011100001110000011011100000000010100000111011001000000101000001111110010000001010000011000000100000110110000000000000000000000000000000000011100000100000000000000111010100010101010101001110000000001010101000000000000000010100000000000000111110000000000000000111111111000000000000111000000011100000000011000000000001100000001101000000000101100000110011000000011001100001000101000001010001000010001001000100100010000000010001010001000000000000100001000010000000000001000000000100000000000000100101000000000001111001111101001111000

You can find a full explanation of the Arecibo message here.

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Which particulate air pollution poses the greatest health risk? — ScienceDaily

Researchers at the Paul Scherrer Institute PSI, together with colleagues from several other European institutions, have investigated whether particulate matter from certain sources can be especially harmful to human health. They found evidence that the amount of particulate matter alone is not the greatest health risk. Rather, it could be the so-called oxidative potential that makes particulate pollution so harmful. They are publishing their results today in the scientific journal Nature.

Particulate matter is one of the greatest health risks stemming from air pollution and, according to several studies, it is responsible for several million deaths each year. This means that poor air quality and particulate matter are among the five most important health risk factors, alongside high blood pressure, smoking, diabetes, and obesity. What makes particulate pollution so dangerous, however, is not yet precisely known. Together with an international collaborative team, researchers at the Paul Scherrer Institute PSI

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Microbes might be gatekeepers of the planet’s greatest greenhouse gas reserves

Opinion: Microbes might be gatekeepers of the planet’s greatest greenhouse gas reserves
Credit: Mikhail Varentsov / shutterstock

Massive greenhouse gas reserves, frozen deep under the seabed, are alarmingly now starting to thaw. That’s according to an international team of scientists whose preliminary findings were recently reported in the Guardian. These deposits, technically called methane “gas hydrates,” are often described as “fiery ice” due to the parlor trick of burning atop a Bunsen burner what appears to be ice.


The research is not yet peer-reviewed and has been controversial, with some climate scientists saying the Guardian article makes unsupported claims. We agree that findings should be peer-reviewed before they are reported. But as experts in these exact methane hydrates, we’re more sympathetic than the climate scientists towards the idea that this a serious possibility that we need to start worrying about. So although it is controversial, let’s suppose for a moment that these latest findings are real and that methane frozen below the

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Carney Calls Net-Zero Greenhouse Ambition ‘Greatest Commercial Opportunity’

(Bloomberg) — Mark Carney is calling on banks, insurers and fund managers to play their part in “re-engineering” the global economy towards net-zero greenhouse gas emissions and says there’ll be great rewards from doing so.



a factory with smoke coming out of it: Emissions rise from the Thyssenkrupp AG steel plant in Duisburg, Germany, on Tuesday, Oct. 20, 2020. Liberty Steel said it's made a non-binding indicative offer for Thyssenkrupp's steel unit, as the German conglomerate continues restructuring efforts to ensure its survival.


© Bloomberg
Emissions rise from the Thyssenkrupp AG steel plant in Duisburg, Germany, on Tuesday, Oct. 20, 2020. Liberty Steel said it’s made a non-binding indicative offer for Thyssenkrupp’s steel unit, as the German conglomerate continues restructuring efforts to ensure its survival.

The former Bank of England Governor, who’s finance adviser to the U.K. prime minister for the upcoming United Nations climate summit, said if the goals of the Paris climate agreement are to be reached, every financial institution will have to change the way they do business. That means greater reporting on climate-change exposures. The financial sector will have to measure and manage those risks, while investors should learn to identify opportunities in the

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